Hello,

Here I have a couple of PDF's that will show you the history of the opamp according to Analog Devices.
The chapters are as followed:
H Op Amp History
1 Op Amp Basics
2 Specialty Amplifiers
3 Using Op Amps with Data Converters
4 Sensor Signal Conditioning
5 Analog Filters
6 Signal Amplifiers
7 Hardware and Housekeeping Techniques

Bertus

 

Or you can download it from here
http://www.analog.com/en/education/education-library/op-amp-applications-handbook.html